123320032120030 has 48 divisors (see below), whose sum is σ = 224260872625440. Its totient is φ = 48825397699200.

The previous prime is 123320032120013. The next prime is 123320032120031. The reversal of 123320032120030 is 30021230023321.

It is a junction number, because it is equal to n+sod(n) for n = 123320032119983 and 123320032120010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (123320032120031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 353698447 + ... + 354046933.

It is an arithmetic number, because the mean of its divisors is an integer number (4672101513030).

Almost surely, 2^{123320032120030} is an apocalyptic number.

123320032120030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

123320032120030 is a deficient number, since it is larger than the sum of its proper divisors (100940840505410).

123320032120030 is a wasteful number, since it uses less digits than its factorization.

123320032120030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352165 (or 352064 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 123320032120030 its reverse (30021230023321), we get a palindrome (153341262143351).

The spelling of 123320032120030 in words is "one hundred twenty-three trillion, three hundred twenty billion, thirty-two million, one hundred twenty thousand, thirty".